class SignPicModel {
  int? code;
  PicData? data;
  String? message;

  SignPicModel({this.code, this.data, this.message});

  SignPicModel.fromJson(Map<String, dynamic> json) {
    code = json['code'];
    data = json['data'] != null ? new PicData.fromJson(json['data']) : null;
    message = json['message'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['code'] = this.code;
    if (this.data != null) {
      data['data'] = this.data!.toJson();
    }
    data['message'] = this.message;
    return data;
  }
}

class PicData {
  String? userCode;
  String? autograph;

  PicData({this.userCode, this.autograph});

  PicData.fromJson(Map<String, dynamic> json) {
    userCode = json['userCode'];
    autograph = json['autograph'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['userCode'] = this.userCode;
    data['autograph'] = this.autograph;
    return data;
  }
}